Longipenate or Longipennate: How To spell?

The word Longipenate is misspelled against Longipennate, an adjective meaning "Having long wings, or quills."

--> Longipennate has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings longipe & ate which should not be misspelled with single 'N'
Wrong Spelling:  longipe-n-ate 
Correct Spelling:  longipe-nn-ate 
Find more incorrect spellings of Longipennate to spell right way.

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